The body of a 25-year-old man was found in a sleeping bag behind a business Tuesday morning, police said.
Homicide investigators identified the man as James John Nemerovsky of Costa Mesa. Police could see no obvious cause of death, Lt. John Woods said.
The body was discovered at about 6:55 a.m. by the owner of a karate equipment business at 10322 Trask Ave.
Police, who are classifying the case a suspicious death, are waiting for the county coroner's office to complete toxicology tests to determine the cause of death.
Police said they did not know how long the body had been there.